1055101111 has 4 divisors (see below), whose sum is σ = 1059516000. Its totient is φ = 1050686224.

The previous prime is 1055101097. The next prime is 1055101181. The reversal of 1055101111 is 1111015501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1055101111 - 2⁷ = 1055100983 is a prime.

It is a super-2 number, since 2×1055101111² = 2226476708866868642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055101181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2207086 + ... + 2207563.

It is an arithmetic number, because the mean of its divisors is an integer number (264879000).

Almost surely, 2^1055101111 is an apocalyptic number.

1055101111 is a deficient number, since it is larger than the sum of its proper divisors (4414889).

1055101111 is an equidigital number, since it uses as much as digits as its factorization.

1055101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414888.

The product of its (nonzero) digits is 25, while the sum is 16.

The square root of 1055101111 is about 32482.3199756421. The cubic root of 1055101111 is about 1018.0396511125.

Adding to 1055101111 its reverse (1111015501), we get a palindrome (2166116612).

The spelling of 1055101111 in words is "one billion, fifty-five million, one hundred one thousand, one hundred eleven".